On top it shows the services (this feature is not working with Mac OS X 10.6 or later). Blue means service enabled, red active. You can click a service name to get to the respective System Preference. On the bottom is a list of IP addresses of your machine. Click on one to copy it to the pasteboard.
Expand the Widget to see the network connections.
Click on the Widget to expand it. The connections are ordered by application. Click an IP address to copy it to the pasteboard. Right (ctrl) click to start a whois more...
- Fix for the whois feature (right click on IP).